Sim808.h

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/*
   Copyright (C) 2018 SFini

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#define TINY_GSM_MODEM_SIM808 
#define TINY_GSM_DEBUG Serial 

#include <TinyGsmClient.h>

class SmsData
{
public:
   long   index;            
   String status;           
   String phoneNumber;      
   String referenceNumber;  
   String dateTime;         
   String message;          
};

class MyGsmSim808 : public TinyGsmSim808
{
public:
   MyGsmSim808(Stream &stream);

   bool getGps    (MyGps &gps);
   bool getGsmGps (MyGps &gps);
   bool getSMS    (SmsData &sms);
   bool deleteSMS (long index);
};

/* ******************************************** */

MyGsmSim808::MyGsmSim808(Stream &stream)
   : TinyGsmSim808(stream)
{
}

bool MyGsmSim808::getGps(MyGps &gps)
{
   gps.clear();

   sendAT(GF("+CGNSINF"));
   if (waitResponse(GF(GSM_NL "+CGNSINF:")) != 1) {
      return false;
   }

   gps.setRunStatus        (stream.readStringUntil(','));
   gps.setFixStatus        (stream.readStringUntil(','));
   gps.setDateTime         (stream.readStringUntil(','));
   gps.setLatitude         (stream.readStringUntil(','));
   gps.setLongitude        (stream.readStringUntil(','));
   gps.setAltitude         (stream.readStringUntil(',')); 
   gps.setSpeed            (stream.readStringUntil(','));  
   gps.setCourse           (stream.readStringUntil(','));  
   gps.setFixMode          (stream.readStringUntil(','));   
   /* reserved */          (stream.readStringUntil(','));
   gps.setHdop             (stream.readStringUntil(','));  
   gps.setPdop             (stream.readStringUntil(','));  
   gps.setVdop             (stream.readStringUntil(',')); 
   /* reserved */          (stream.readStringUntil(','));
   gps.setSatellitesInView (stream.readStringUntil(','));
   gps.setSatellitesUsed   (stream.readStringUntil(','));  
   stream.readStringUntil('\n');
   waitResponse();
   
   return gps.fixStatus;
}

bool MyGsmSim808::getGsmGps(MyGps &gps)
{
   gps.clear();

   sendAT(GF("+CIPGSMLOC=1,1"));
   if (waitResponse(10000L, GF(GSM_NL "+CIPGSMLOC:")) != 1) {
      return false;
   }

   String locationCode = stream.readStringUntil(',');
   String longitude    = stream.readStringUntil(',');
   String latitude     = stream.readStringUntil(',');
   String gsmDate      = stream.readStringUntil(',');
   String gsmTime      = stream.readStringUntil(',');
   stream.readStringUntil('\n');
   waitResponse();

   locationCode.trim();
   if (locationCode == "0") {
      String dateTime = gsmDate + gsmTime;

      dateTime.replace("/", "");
      dateTime.replace(":", "");
      dateTime += ".000";
      gps.setLatitude(latitude);
      gps.setLongitude(longitude);
      gps.setDateTime(dateTime);
      gps.fixStatus = true;
   }

   return gps.fixStatus;
}

bool MyGsmSim808::getSMS(SmsData &sms)
{
   // PDU Mode (Hex)
   sendAT(GF("+CMGF=1")); 
   if (waitResponse() != 1) {
      return false;
   }
   
   // Read unread sms
   sendAT(GF("+CMGL=\"REC UNREAD\""));
   int status = waitResponse(GFP(GSM_OK), GF("+CMGL:"));

   if (status == 2) {
      sms.index           = atoi(stream.readStringUntil(',').c_str());
      sms.status          = stream.readStringUntil(',');
      sms.phoneNumber     = stream.readStringUntil(',');
      sms.referenceNumber = stream.readStringUntil(',');
      sms.dateTime        = stream.readStringUntil('\n');
      sms.message         = stream.readStringUntil('\n');
      sms.message         = Trim(sms.message, F("\r\n"));
      waitResponse(); 
      return true;
   }
       
   return false;
}

bool MyGsmSim808::deleteSMS(long index)
{
   sendAT(GF("+CMGD=") + String(index));
   if (waitResponse() != 1) {
      return false;
   }

   return true; 
}